1.3 Basic Commands

1.3 Basic Commands

It's time to learn some other Unix commands. Most of the following programs take multiple arguments, and some have so many options and formats that an unabridged listing would be pointless. This is a simplified list; you don't need to know all of the details just yet.

1.3.1 ls

The ls command lists the contents of a directory. The default is the current directory. Use ls -l for a detailed (long) listing and ls -F to display file type information (for more on file types and the permissions in the left column, see Section 1.17). Here is a sample long listing: